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ante: update nonce check #550

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Sep 29, 2020
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ante: update nonce check #550

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c0c2d8a
update nonce check
noot Sep 28, 2020
de7f68c
add comment, update changelog
noot Sep 29, 2020
efbb279
update changelog
noot Sep 29, 2020
17a4b8a
Update CHANGELOG.md
fedekunze Sep 29, 2020
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6 changes: 6 additions & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,12 @@ Ref: https://keepachangelog.com/en/1.0.0/

# Changelog

## Unreleased

### Bug fixes

* (app/ante) [\#550](https://github.com/ChainSafe/ethermint/pull/550) Update ante handler nonce verification to accept any nonce greater than or equal to the expected nonce to allow to successive transactions.

## [v0.2.0] - 2020-09-24

### State Machine Breaking
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5 changes: 4 additions & 1 deletion app/ante/eth.go
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Expand Up @@ -253,7 +253,10 @@ func (nvd NonceVerificationDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, sim
}

seq := acc.GetSequence()
if msgEthTx.Data.AccountNonce != seq {
// if multiple transactions are submitted in succession with increasing nonces,
// all will be rejected except the first, since the first needs to be included in a block
// before the sequence increments
if msgEthTx.Data.AccountNonce < seq {
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return ctx, sdkerrors.Wrapf(
sdkerrors.ErrInvalidSequence,
"invalid nonce; got %d, expected %d", msgEthTx.Data.AccountNonce, seq,
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